Description
The Resmed F40 headgear is specifically designed for the Resmed AirFit F40 mask. This is not designed to be used for other masks. This comes in 3 different sizes of Small, Standard and large. if unsure on the size and replacing the headgear on your current mask this would be a standard.
The sizing of the headgear is also refelcted in the colour with the grey universal to all sizes. The red tinge is small, blue tinge is standard and the grey tinge is large.
